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A841 Class4

Description

A841 Class4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A841 Class4

Chemical composition(mass fraction)(wt.%) of the A841 Class4

C
Si
Mn
P
S
Cr Ni
 0.07 0.05-0.3  0.7-1.6  0.015  0.005  ≤ 0.3 ≤ 0.6
Mo Al Cu Nb Ti V Ce
≤0.3  ≥ 0.02 ≤0.35  ≤ 0.08   ≤0.06   
N Co Pb B Other    
      ≤ 0.0007      
             

Mechanical Properties of steel grade A841 Class4

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
734 (≥) 748 (≥) 22 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade A841 Class4

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.31 -  
689 938 - 11.3 441   -  
861 - 12 12.2   142 313

Heat Treatment of steel grade A841 Class4

Heat treated : 1399°C - 1347°C

Technological Curves of steel grade A841 Class4


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